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;; For big ascii-art digits
(load "digits.lisp")
(defmacro inc (x)
`(setf ,x (1+ ,x)))
;; Wraps text and adds ellipsis if it doesn't fit within width, scrolling
;; by index i
(defun maybe-wrap-text (text width i)
(let ((textlen (length text)))
(if (>= width textlen)
text
(let* ((max-width (1- width))
(max-wrap (1+ (- textlen max-width)))
(wrap-i (rem i max-wrap)))
(concatenate 'string (subseq text wrap-i (+ wrap-i (min max-width textlen))) "-")))))
;; Makes a-list with '((hours . HOURS) (minutes . MINUTES) (seconds . SECONDS) (ms . MILLISECONDS))
(defun make-time-alist (ms)
`((hours . ,(floor (/ ms (* 1000 60 60))))
(minutes . ,(floor (mod (/ ms (* 1000 60)) 60)))
(seconds . ,(floor (mod (/ ms 1000) 60)))
(ms . ,(mod ms 1000))))
;; Add a list of strings representing horizontal slices of a character to another list of strings representing horizontal slices of a string, or create a new list of horizontal slices if the original was empty.
;; Character height will be truncated to the height of the first character in the slices.
(defun add-to-horizontal (character horizontal-layers &key (seperator " "))
(let ((layer-height (length horizontal-layers)))
(loop for i from 0 to (1- (if (zerop layer-height) (length character) layer-height))
collect
(let ((layer (nth i horizontal-layers))
(character-slice (nth i character)))
(if (and layer (> (length layer) 0))
(concatenate 'string layer seperator character-slice)
character-slice)))))
;; Formats, disregarding min/hour if they shouldn't be shown, a time alist to "H:M:S.ms"
(defun format-time (time-alist)
(let
((hours (cdr (assoc 'hours time-alist)))
(minutes (cdr (assoc 'minutes time-alist)))
(seconds (cdr (assoc 'seconds time-alist)))
(centis (round (/ (cdr (assoc 'ms time-alist)) 10))))
(concatenate 'string
(unless (zerop hours) (format nil "~2,'0d:" hours))
(unless (and (zerop minutes) (zerop hours)) (format nil "~2,'0d:" minutes))
(format nil "~2,'0d.~2,'0d" seconds centis))))
;; Creates a list of horizontal slices to display a formatted larger string by using figlet characters
(defun lispglet (str &optional (char-hashes *big-digits*))
(loop for horizontal-layers = '()
then (add-to-horizontal (gethash c char-hashes) horizontal-layers)
for c across str
finally (return horizontal-layers)))
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